Changed some of the language in documentation

Closes #14920

Author: NullSoldier

test-framework/src/main/java/org/elasticsearch/test/ESIntegTestCase.java

@@ -1035,7 +1035,7 @@ public long waitForDocs(final long numDocs, int maxWaitTime, TimeUnit maxWaitTim
 
     /**
      * Sets the cluster's minimum master node and make sure the response is acknowledge.
-     * Note: this doesn't guaranty the new settings is in effect, just that it has been received bu all nodes.
+     * Note: this doesn't guarantee that the new setting has taken effect, just that it has been received by all nodes.
      */
     public void setMinimumMasterNodes(int n) {
         assertTrue(client().admin().cluster().prepareUpdateSettings().setTransientSettings(